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EP2338647A3 - Hybrid impact tool with two-speed transmission - Google Patents

Hybrid impact tool with two-speed transmission Download PDF

Info

Publication number
EP2338647A3
EP2338647A3 EP10196006A EP10196006A EP2338647A3 EP 2338647 A3 EP2338647 A3 EP 2338647A3 EP 10196006 A EP10196006 A EP 10196006A EP 10196006 A EP10196006 A EP 10196006A EP 2338647 A3 EP2338647 A3 EP 2338647A3
Authority
EP
European Patent Office
Prior art keywords
bearing
carrier plate
housing
output shaft
speed transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10196006A
Other languages
German (de)
French (fr)
Other versions
EP2338647A2 (en
EP2338647B1 (en
Inventor
Scott Rudolph
Murthy Sankarshan
Daniel Puzio
Qiang Zhang
Aris Cleanthous
Medhi Abolhassani
Ren H. Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Black and Decker Inc filed Critical Black and Decker Inc
Publication of EP2338647A2 publication Critical patent/EP2338647A2/en
Publication of EP2338647A3 publication Critical patent/EP2338647A3/en
Application granted granted Critical
Publication of EP2338647B1 publication Critical patent/EP2338647B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Retarders (AREA)
  • Drilling And Boring (AREA)
  • Portable Power Tools In General (AREA)

Abstract

A power tool (8) that includes a housing (10), a motor (70), a planetary transmission (100), a first bearing (166) and a second bearing (168). The motor is disposed in the housing and includes an output shaft (72). The planetary transmission has a sun gear (110), a plurality of first planet gears (112), a first ring gear (118) and a carrier (116). The sun gear is driven by the output shaft. The first planet gears (112) are driven by the sun gear (110) and have teeth that are meshingly engaged to teeth of the first ring gear (118). The carrier (116) includes a rear carrier plate (140) and a front carrier plate (142) between which the first (112) and second (114) planet gears are received. The rear carrier plate includes a first bearing aperture. The first bearing is received in the first bearing aperture and is configured to support the output shaft. The second bearing is received onto the rear carrier plate to support the carrier relative to the housing.
EP10196006.0A 2009-12-23 2010-12-20 Hybrid impact tool with two-speed transmission Active EP2338647B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28978009P 2009-12-23 2009-12-23
US29075909P 2009-12-29 2009-12-29
US12/971,940 US8460153B2 (en) 2009-12-23 2010-12-17 Hybrid impact tool with two-speed transmission

Publications (3)

Publication Number Publication Date
EP2338647A2 EP2338647A2 (en) 2011-06-29
EP2338647A3 true EP2338647A3 (en) 2013-03-13
EP2338647B1 EP2338647B1 (en) 2014-11-19

Family

ID=43859789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10196006.0A Active EP2338647B1 (en) 2009-12-23 2010-12-20 Hybrid impact tool with two-speed transmission

Country Status (3)

Country Link
US (2) US8460153B2 (en)
EP (1) EP2338647B1 (en)
CN (1) CN202241183U (en)

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US11241746B2 (en) * 2018-04-03 2022-02-08 Delbert Tesar Transmission for shop tool based on star compound gear train
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US12059775B2 (en) 2019-12-19 2024-08-13 Black & Decker Inc. Power tool with compact motor assembly
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USD948978S1 (en) 2020-03-17 2022-04-19 Milwaukee Electric Tool Corporation Rotary impact wrench
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Publication number Publication date
US8460153B2 (en) 2013-06-11
EP2338647A2 (en) 2011-06-29
EP2338647B1 (en) 2014-11-19
US20110152029A1 (en) 2011-06-23
USRE46827E1 (en) 2018-05-08
CN202241183U (en) 2012-05-30

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